Infinix Zero 4 Plus vs LG GT540 Optimus

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    GT540 Optimus: 87.5 g lighter

    Zero 4 Plus:
    203 g
    GT540 Optimus:
    115.5 g
  • Width

    GT540 Optimus: 28.5 mm narrower

    Zero 4 Plus:
    83 mm
    GT540 Optimus:
    54.5 mm
  • Screen diagonal

    GT540 Optimus: 2.98 in smaller diagonal

    Zero 4 Plus:
    5.98 in
    GT540 Optimus:
    3 in
  • Depth

    Zero 4 Plus: 4.4 mm thinner

    Zero 4 Plus:
    8.3 mm
    GT540 Optimus:
    12.7 mm
  • Height

    GT540 Optimus: 51.5 mm shorter

    Zero 4 Plus:
    160.5 mm
    GT540 Optimus:
    109 mm
  • Release year

    Zero 4 Plus:
    2017
    GT540 Optimus:
    2010

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Zero 4 Plus

    Height:
    160.5 mm +51.5 mm versus GT540 Optimus
    Width:
    83 mm +28.5 mm versus GT540 Optimus
    Depth:
    8.3 mm
  2. 2. GT540 Optimus

    Height:
    109 mm
    Width:
    54.5 mm
    Depth:
    12.7 mm +4.4 mm versus Zero 4 Plus

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Zero 4 Plus

    203 g

    +87.5 g versus GT540 Optimus

  2. 2. GT540 Optimus

    115.5 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Zero 4 Plus

    Screen diagonal:
    5.98 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    98.6 cm²
  2. 2. GT540 Optimus

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    26.8 cm²

Zero 4 Plus has approximately 267.9% more rectangular screen area than GT540 Optimus.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Zero 4 Plus: Original memory entry

64 GB · 512GB 4GB

GT540 Optimus: Original memory entry

139 MB · 156 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Zero 4 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

2. GT540 Optimus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Zero 4 Plus

    4000 mAh

    +2500 mAh versus GT540 Optimus

  2. 2. GT540 Optimus

    1500 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Zero 4 Plus2. GT540 Optimus

Everyday essentials
Everyday essentials — specifications for Zero 4 Plus, GT540 Optimus.
SpecificationZero 4 PlusGT540 Optimus
Dimensions (HxWxD)
  • 160.5 Х 83 Х 8.3 mm
  • 109 Х 54.5 Х 12.7 mm
Weight
  • 203 g
  • 115.5 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.98" inch
  • 3" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 139 MB
  • 156 MB RAM
Memory card support
  • microSD
  • up to 128 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 1.6 (Donut)
  • upgradable to 2.1 (Eclair)
Chipset
  • Mediatek MT6797M Helio X20 (20 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zero 4 Plus, GT540 Optimus.
SpecificationZero 4 PlusGT540 Optimus
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 98.6 cm2
  • 26.8 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 74.0%
  • 45.1%
PPI /points per inch/
  • 368 PPI
  • 192 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zero 4 Plus, GT540 Optimus.
SpecificationZero 4 PlusGT540 Optimus
Rear camera, main
  • 21 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 21 MP
  • f/2.0
  • OIS
  • Laser AF/ PDAF
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • 480p@17fps
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
  • f/2.2
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Zero 4 Plus, GT540 Optimus.
SpecificationZero 4 PlusGT540 Optimus
Processor CPU
  • Deca-core 2.0 GHz
  • 600 MHz
Graphics processor GPU
  • Mali-T880 MP4
Unknown
Antutu 7 score *
  • 73620
Unknown
GeekBench 4 Single Core *
  • 1542
Unknown
GeekBench 4 Multi-Core *
  • 4682
Unknown
General specs
General specs — specifications for Zero 4 Plus, GT540 Optimus.
SpecificationZero 4 PlusGT540 Optimus
Release date
  • 2017
  • March
  • 2010
  • January
Colors
  • Lilac grey
  • Champagne
  • Galaxy Blue
  • Silver purple
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 500 h (2G) / Up to 500 h (3G) Talking time- Up to 5 h 30 min (2G) / Up to 7 h 20 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Zero 4 Plus, GT540 Optimus.
SpecificationZero 4 PlusGT540 Optimus
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) LTE band 2(1900)
  • 4(1700/2100)
  • 28(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.93 W/kg (head) 0.63 W/kg (body)
Music and Audio
Music and Audio — specifications for Zero 4 Plus, GT540 Optimus.
SpecificationZero 4 PlusGT540 Optimus
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for Zero 4 Plus, GT540 Optimus.
SpecificationZero 4 PlusGT540 Optimus
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer MP4/DivX/Xvid/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input Also known as LG GT540 Swift
  • LG Loop GT540